CN112661002B - Truck crane lifting appliance for mounting wind driven generator - Google Patents

Abstract

The application relates to a lifting appliance for a truck crane for mounting a wind driven generator, which relates to the field of the mounting technology of the wind driven generator and comprises a mounting plate, wherein at least two groups of bearing mechanisms are arranged on the mounting plate, each bearing mechanism comprises a mounting rod horizontally and fixedly connected to the mounting plate, a clamping rod is arranged on the mounting rod, a slide way for the clamping rod to slide along the length direction of the mounting rod is arranged on the mounting rod, the top end of the clamping rod is connected to the mounting rod through the slide way, and a pushing piece for pushing the clamping rod to reciprocate along the slide way is fixedly connected to the mounting rod; the bottom of clamp lever is provided with the supporting piece that is used for bearing equipment section, and the supporting piece includes the rigid coupling in the bearing pipe of clamp lever bottom, and the bearing pipe is intraductal to slide and is connected with the bearing pole, and when the hoist is transferring the in-process of equipment section, the equipment section was set up in the bearing pole, and the supporting piece is still including being used for driving the bearing pole and doing reciprocating motion's impeller in the bearing pipe. The application has the advantage that the assembly section with various diameters can be adapted.

Description

A kind of car crane spreader used for wind power generator installation

technical field

The present application relates to the field of wind power generator installation technology, in particular to a car crane spreader used for wind power generator installation.

Background technique

With the development of society, people pay more and more attention to the application of clean energy, and the subsequent wind turbine equipment is widely used. In related technologies, wind turbines need to use hoisting equipment during installation or maintenance. , Among the many hoisting equipment, compared with the tower crane, the truck crane has the advantages of better mobility and quick transfer, because the truck crane is widely used in the installation of wind turbines.

Referring to Fig. 1, it is a wind turbine tower body in the related art. The tower body is in the shape of a hollow circular platform as a whole, and the diameter of the tower body increases sequentially from top to bottom. In order to facilitate the installation and transportation of the tower body, the tower body is divided into several assembly sections 6. The upper surface of each assembly segment 6 is provided with a plurality of insertion holes 61, and the corresponding lower surface of each assembly segment 6 is fixed with a plurality of insertion rods 62 adapted to the threaded holes.

Referring to Fig. 2, it is a kind of spreader in the tower body hoisting process, and the spreader includes a connecting rod 7 and two lifting plates 71, and the two lifting plates 71 are respectively located at the two ends of the connecting rod 7, and the lifting plates 71 are A number of through holes are opened. During the process of hoisting the assembly section 6, the two hoisting plates 71 at both ends of the connecting rod 7 are fixedly connected to the insertion holes 61 at the top of the assembly section 6 by bolts, and then the assembly section 6 is hoisted. , so that the insertion rod 62 at the bottom end of the suspended assembly section 6 is inserted into the insertion hole 61 at the top end of the assembly section 6 that has been installed.

In view of the above-mentioned related technologies, the inventor believes that because the tower body of the wind power generator is in the shape of a circular platform as a whole, the diameters of the top ends of each assembly section 6 on the same wind power generator tower body are different. It is relatively inefficient to replace the spreader when assembling section 6.

Contents of the invention

In order to improve the problem that the sling needs to be replaced repeatedly when hoisting the assembly section of the wind power generator tower, the present application provides a sling for a car crane used for wind power generator installation.

The application provides a spreader used for the installation of a wind power generator, which adopts the following technical scheme:

A hanger used for the installation of wind power generators, comprising a horizontally arranged mounting plate, at least two sets of supporting mechanisms are arranged on the mounting plate, multiple sets of supporting mechanisms are evenly distributed around the axis of the mounting plate, and the supporting mechanisms It includes a mounting rod horizontally fixed on the mounting plate, a clamping rod is provided on the mounting rod, a slideway for the clamping rod to slide along the length direction of the mounting rod is provided on the mounting rod, and the top end of the clamping rod is connected to the The mounting rod is fixedly connected with a push piece for pushing the clamping rod to reciprocate along the slideway;

The bottom of the clamping rod is provided with a supporting piece for supporting the assembly section. The supporting piece includes a slide rail and a supporting rod. The sliding rail is connected to the clamping rod, and the supporting rod is slidably connected to the sliding rail. During the process of transporting the assembly section, the assembly section is erected on the support rod, and the support member also includes a pusher for driving the support rod to reciprocate in the support tube.

By adopting the above technical solution, the staff can adjust the position of the clamping rod on the mounting rod through the pusher, so that the spreader can be adapted to assembly sections of various diameters.

Optionally, the supporting mechanisms are arranged in two groups, and the two groups of supporting mechanisms are arranged symmetrically on the mounting plate.

By adopting the above technical solution, the number of supporting mechanisms on the spreader is reduced as much as possible, thus reducing the weight of the spreader, increasing the transport weight of the spreader, and saving the processing cost of the spreader at the same time.

Optionally, a limiting device is also provided on the mounting plate, the limiting device includes multiple sets of limiting mechanisms, and the multiple sets of limiting mechanisms are evenly arranged around the axis of the mounting plate, and the limiting mechanism includes a hydraulic cylinder fixed to the mounting plate , the piston rod of the hydraulic cylinder faces away from the axis of the mounting plate.

By adopting the above technical solution, the piston rods of the plurality of hydraulic cylinders can support the assembly section after being stretched out, so that the assembly section is more stable in the process of being transported.

Optionally, multiple sets of stabilizing components are also provided on the mounting plate, and multiple sets of stabilizing components correspond to multiple sets of limiting mechanisms respectively.

By adopting the above technical solution, the stabilizing component can make the hydraulic cylinder only bear the force in the direction of its own axis as much as possible, so that the hydraulic cylinder is more stable during the working process.

Optionally, the stabilizing component is located on the side of the limit mechanism away from the axis of the mounting plate. The stabilizing component includes a fixed tube arranged coaxially with the hydraulic cylinder, the fixed tube is fixedly connected to the mounting plate, and a push rod is slidably connected in the fixed tube. The piston rod of the hydraulic cylinder is fixedly connected with the push rod.

By adopting the above technical solution, the hydraulic cylinder supports the inner wall of the assembly section through the push rod, so that the hydraulic cylinder is more stable during the working process.

Optionally, a transition surface is provided on the supporting rod, and the transition surface is set as an inclined surface facing the mounting plate.

By adopting the above technical solution, in the process of hoisting the assembling section, when the supporting rod is gradually detached from the assembling section, the transition surface can make the assembling section slowly descend, so that the assembling section can be more smoothly detached from the supporting rod.

Optionally, a pressing assembly is arranged on the pressing rod.

By adopting the above technical solution, the pressing component can press the top of the assembly section on the spreader, so that the spreader is more stable in the process of hoisting the assembly section.

Optionally, the pressing assembly includes a pressing plate and a driving assembly for driving the pressing plate to reciprocate in the vertical direction.

By adopting the above technical solution, under the action of the drive assembly, the compression of the assembly section by the pressing plate can be realized.

Optionally, the drive assembly includes a connecting block fixedly connected to the clamping rod, the connecting block is pierced with a screw arranged in the vertical direction, and the bottom end of the screw is connected with the pressing plate.

By adopting the above technical solution, the staff can drive the pressing plate to move downward by screwing the screw, so that a clamping force is formed between the pressing plate and the supporting member, thereby making the assembly section more stable.

Optionally, the bottom end of the screw rod is rotatably connected to the pressure plate, the connecting block is provided with a vertical track, the pressure plate is fixedly connected with a guide rod, the guide rod is slidably connected in the track, and the lower surface of the pressure plate is fixed There are a plurality of insertion rods used in conjunction with the insertion holes on the upper surface of the assembly section.

By adopting the above technical scheme, when the staff is screwing the screw, the insertion rod on the lower surface of the pressure plate will be inserted into the insertion hole on the top of the assembly section, thus increasing the connection points between the pressure plate and the assembly section, thereby Make the assembly section more stable during the process of being transferred.

In summary, the present application includes at least one of the following beneficial technical effects:

1. By setting the mounting rod on the mounting plate, setting the clamping rod on the mounting rod, setting the supporting part on the clamping rod, setting the slideway for the clamping rod to move on the mounting rod, and driving the clamping rod along the slideway The moving pusher allows the operator to adjust the position of the clamping rod on the mounting rod as needed, so that the spreader can be adapted to as many diameters of assembly sections as possible;

2. By setting the limit device on the mounting plate, the limit device can limit the assembly section during the lifting of the assembly section by the spreader, so that the assembly section is more stable during the transportation process.

Description of drawings

Fig. 1 is a schematic diagram of the state of the sling in the hoisting and assembling section in the related art.

Fig. 2 is a side sectional view of an assembled section in the related art.

Fig. 3 is a schematic diagram of the state of the sling in the hoisting and assembling section in the embodiment of the present application.

Fig. 4 is a schematic diagram of the overall structure of the overall spreader according to the embodiment of the present application.

Fig. 5 is a schematic diagram of the installation of the protruding limiting device on the mounting plate in the embodiment of the present application;

FIG. 6 is a partially enlarged schematic view of part A in FIG. 4 .

Fig. 7 is a schematic diagram of the outline structure of the pressing device in the embodiment of the present application.

Description of reference signs: 1, mounting plate; 11, hanging ring; 2, supporting mechanism; 21, mounting rod; 211, through hole; 2111, chute; 22, clamping rod; 221, slider; 222, concave Groove; 23, push piece; 24, supporting member; 241, supporting tube; 242, supporting rod; 2421, transition surface; 243, driving part; 312, horizontal part; 32, pusher; 4, pressing assembly; 41, connecting block; 42, screw rod; 421, rotating plate; 43, pressing plate; 431, guide rod; 432, the first groove; 433, the first Second slot; 434, inserting rod; 44, cover plate; 441, first part; 442, second part; 5, stabilizing component; 51, fixing rod; 52, fixing tube; 53, push rod; 6. Assembly section; 61. Insertion hole; 62. Insertion rod; 7. Connecting rod; 71. Hoisting plate.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 3-7.

The embodiment of the present application discloses a hanger for a car crane used for installing a wind power generator. Referring to FIG. 3 , the spreader includes a mounting plate 1 , a supporting device and a limiting device; the mounting plate 1 is arranged horizontally, and a hanging ring 11 is fixedly connected to the upper surface of the mounting plate 1 .

Referring to FIG. 4 and FIG. 5 , the supporting device is installed on the mounting plate 1 , and the supporting device includes two supporting mechanisms 2 arranged symmetrically about the axis of the mounting plate 1 . Specifically, the supporting mechanism 2 includes a mounting rod 21 , a clamping rod 22 , a pushing member 23 and a supporting member 24 . Mounting rod 21 is arranged along the radial direction of mounting plate 1, and one end of mounting rod 21 is fixedly connected on the outer peripheral surface of mounting plate 1; A through hole 211, the two side walls in the length direction of the through hole 211 are provided with chute 2111;

The clamping rod 22 is arranged along the direction of the generatrix of the assembly section 6, and the top end of the clamping rod 22 is slidably connected in the through hole 211, and the top area of the clamping rod 22 is symmetrically fixed with two sliding slots that match the chute 2111. block 221, the cross-section of the slider 221 is rectangular, and the two sliders 221 are slidingly connected to the two slide grooves 2111 in the through hole 211;

Push piece 23 is arranged along the length direction of installation rod 21, and push piece 23 is affixed to the upper surface of installation rod 21, and push piece 23 can be hydraulic cylinder and air cylinder etc., and push piece 23 selects hydraulic pressure in the present embodiment. Cylinder, the piston rod of the push piece 23 is fixedly connected with the top end of the clamping rod 22.

4 and 6, the supporting member 24 is arranged on the bottom end of the clamping rod 22, the supporting member 24 includes a supporting tube 241, a supporting rod 242 and a driver 243, and the supporting tube 241 is fixedly connected to the clamping rod 22. At the bottom, the supporting tube 241 is arranged radially along the mounting plate, and the supporting rod 242 is slidably connected in the supporting tube 241; the driving member 243 is fixed on the outer peripheral surface of the supporting tube 241, and the driving member 243 can be selected from a hydraulic cylinder and Cylinder, etc., in the present embodiment, the driver 243 can be a hydraulic cylinder, the piston rod of the driver 243 is fixedly connected with the support rod 242, and the purpose of the driver 243 is to drive the support rod 242 to move back and forth in the support tube 241.

Referring to FIG. 5 , the limiting device is installed on the lower surface of the mounting plate 1 , the limiting device includes four limiting mechanisms 3 , and the four limiting mechanisms 3 are uniformly arranged around the axis of the mounting plate 1 . Specifically, the limit mechanism 3 includes an arrangement rod 31 and a pusher 32. The arrangement rod 31 includes an integrally arranged vertical portion 311 and a horizontal portion 312. The vertical portion 311 and the horizontal portion 312 together form an "L"-shaped arrangement rod. 31, the top of the vertical part 311 is fixed on the lower surface of the mounting plate 1, and the horizontal part 312 is arranged along the radial direction of the mounting plate 1; the pusher 32 can be a hydraulic cylinder or an air cylinder, etc., and the pusher 32 is selected in this embodiment For the hydraulic cylinder, the pusher 32 is fixed on the upper surface of the horizontal portion 312 along the length direction of the horizontal portion 312 , and the piston rod of the pusher 32 faces away from the axis of the mounting plate 1 .

During the hoisting process of the assembly section 6, the staff first hooks the support rods 242 at the bottom ends of the multiple support mechanisms 2 on the bottom of the assembly section 6, and at the same time sets the multiple limit mechanisms 3 on the top area of the assembly section 6 , and make the piston rods of the pushing parts 32 in the plurality of limit mechanisms 3 push against the inner wall of the assembly section 6, and then the staff hangs the hook of the automobile crane on the hanging ring 11 on the mounting plate 1, and the automobile crane passes through the hanging ring 11. After the tool drives the assembly section 6 to rise to the specified height, the staff can adjust the assembly section 6 on the spreader so that the various parts on the two assembly sections 6 to be spliced are aligned, and then the staff starts the pusher 23 to push The push piece 23 drives the support rod 242 to gradually disengage from the bottom end of the assembly section 6, and when the support rod 242 completely disengages from the bottom end of the assembly section 6, the assembly section 6 overlaps to a designated position.

Referring to Fig. 5 and Fig. 7, in order to ensure that the assembly section 6 can be more stable in the process of being transported by the spreader; the sides of the two clamping rods 22 facing each other are provided with a pressing assembly 4, and the pressing assembly 4 is located in the clamping position. the top area of the tight rod 22;

Specifically, the pressing assembly 4 includes a connecting block 41, a screw 42 and a pressing plate 43, the connecting block 41 is fixedly connected to the inner side of the clamping rod 22, the screw 42 passes through the connecting block 41 along the axis direction of the mounting plate 1, and Screw rod 42 and connecting block 41 are set to be threadedly connected; Pressing plate 43 is arranged on just below connecting block 41, and pressing plate 43 is parallel with mounting plate 1, and the upper surface of pressing plate 43 is fixedly connected with a plurality of guiding rods 431, and guiding rods 431 Pass through the connecting block 41 along the axial direction of the mounting plate 1 , and a sliding connection is arranged between the guide rod 431 and the connecting block 41 .

The upper surface of the pressing plate 43 is provided with a first groove 432, and the bottom wall of the first groove 432 is provided with a circular second groove 433, and the bottom end of the screw rod 42 is fixedly connected with a rotating plate 421 adapted to the second groove 433, The rotating plate 421 is embedded in the second groove 433, and the rotating plate 421 and the second groove 433 are arranged in a sliding connection;

The first groove 432 is embedded with a cover plate 44, and the cover plate 44 is provided with a perforation for the screw rod 42 to pass through. The cover plate 44 includes a semicircular first part 441 and a semicircular second part 442. The part 441 and the second part 442 are spliced together to form a complete cover plate 44 , and the first part 441 , the second part 442 and the bottom wall of the first groove 432 are fixed together by passing through a plurality of fixing bolts.

The staff rotates the screw rod 42 to make the screw rod 42 move downward, the screw rod 42 will drive the pressure plate 43 to move downward during the downward movement, and the pressure plate 43 will press the upper surface of the assembly section 6 during the downward movement, Therefore, the pressing plate 43 and the supporting rod 242 form a clamping and fixing to the assembly section 6, thereby making the assembly section 6 more stable during the hoisting process.

The pressing plate 43 is arc-shaped, and the lower surface of the pressing plate 43 is fixedly connected with a plurality of insertion rods 434, the insertion rods 434 and the pressing plate 43 are perpendicular to each other, and the plurality of insertion rods 434 are arranged at equal intervals along the length direction of the pressing plate 43, and two adjacent insertion The distance between the rods 434 is the same as the distance between two adjacent insertion holes 61 on the upper end surface of the assembly section 6 .

When the pressing plate 43 is moving towards the assembly section 6, a plurality of insertion rods 434 on the pressing plate 43 will be inserted into the insertion holes 61 on the upper surface of the assembly section 6, thus increasing the connection between the pressing plate 43 and the assembly section 6 point, so that the fixing effect of the pressing plate 43 on the assembly section 6 is better during the hoisting process of the assembly section 6 .

After the staff hooks the supporting rods 242 at the bottom ends of the two clamping rods 22 to the bottom of the assembly pipe, the staff makes the pressing plate 43 be pressed against the upper surface of the assembly section 6 by rotating the screw rod 42, so that the pressing plate 43 and The supporting rod 242 will form a clamping force on the assembly section 6, so that the assembly section 6 is more stable during the hoisting process.

Referring to Fig. 5, in order to make the pusher 32 more stable, four sets of stabilizing components 5 are arranged on the lower surface of the mounting plate 1, and the four sets of stabilizing components 5 correspond to the four sets of limit mechanisms 3 respectively; specifically, the stabilizing components 5 includes a fixed rod 51, a fixed tube 52 and a push rod 53, the fixed rod 51 is fixed vertically on the lower surface of the mounting plate 1, the fixed tube 52 is fixed on the bottom end of the fixed rod 51, and the fixed tube 52 and the pusher 32 Coaxially arranged, the push rod 53 is slidably connected in the fixed tube 52 , and the push rod 53 is fixedly connected with the piston rod of the push member 32 .

By arranging the stabilizing component 5, the pusher 32 can only bear the force in the direction of its own axis, so that the pusher 32 is more stable during the working process.

The push rod 53 is fixedly connected with a connecting plate 54 on one side away from the pusher 32. The connecting plate 54 is arranged in an arc shape, and the connecting plate 54 is arranged obliquely along the length direction of the assembly section 6 bus bars. The purpose of the connecting plate 54 is to increase the push The connection area between the rod 53 and the assembly section 6 during the working process can avoid damage to the inner wall of the assembly section 6 by the push rod 53 as much as possible.

Referring to FIG. 6 , the sides of the two clamping rods 22 facing each other are provided with a “V”-shaped groove 222 . During the process of hoisting the assembly section 6 , the clamping rod 22 and the connection connecting plate 54 can form a clamping force on the assembly section 6 , so that the assembly section 6 is more stable during the hoisting process.

The opposite ends of the supporting rods 242 in the two supporting parts 24 are provided with a transition surface 2421 , and the transition surface 2421 is an inclined surface facing the mounting plate 1 . During the process that the worker makes the supporting rod 242 disengage from the bottom of the assembly section 6, the assembly section 6 will slowly descend along the transition surface 2421, and during this process, the transition surface 2421 can make the assembly section 6 overlap smoothly at a predetermined position.

In the embodiment of the present application, the implementation principle of a car crane used for wind turbine installation is as follows: after the staff transports the assembly section 6 to the installation site with a transport vehicle, the staff first makes the limit device on the installation plate 1 Stretch into the assembly section 6, and then start the two pushers 23 at both ends to move the two clamping rods 22 toward the direction of approaching each other until the two clamping rods 22 abut against the outer peripheral surface of the assembly section 6, Then the staff inserts the plurality of insertion rods 434 on the pressing plate 43 into the insertion holes 61 on the upper surface of the assembly section 6 by screwing the screw rod 42 in the pressing assembly 4, and makes the pressing plate 43 press the upper surface of the assembly section 6 , and then synchronously start a plurality of pushers 32 in the limit device, and the pusher 32 pushes the connecting plate 54 to move towards the inner wall of the assembly section 6 until the plurality of connecting plates 54 are in contact with the inner wall of the assembly section 6;

After that, the staff hooks the hook on the car crane to the hanging ring 11 on the upper surface of the mounting plate 1, the car crane lifts the assembly section 6 through the hook, and the staff lifts the assembly section 6 to the area to be assembled by the car crane Finally, the staff adjusts the assembly section 6, and after the assembly section 6 is adjusted to a suitable position, the staff starts the driving part 243, so that the driving part 243 drives the supporting rod 242 to move away from the supporting tube 241 in the supporting tube 241 until the supporting tube 241 The support rod 242 is disengaged from the bottom end of the assembly section 6 .

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (3)

1. A vehicle crane spreader for wind-driven generator installation, characterized in that: it comprises a horizontally arranged mounting plate (1), on which at least two groups of supporting mechanisms (2) are arranged, and multiple groups The supporting mechanism (2) is evenly distributed around the axis of the mounting plate (1). The supporting mechanism (2) includes a mounting rod (21) fixed horizontally to the mounting plate (1). The mounting rod (21) is provided with a clamping Rod (22), the mounting rod (21) is provided with a slideway for the clamping rod (22) to slide along the length direction of the mounting rod (21), and the top of the clamping rod (22) is connected to the mounting rod ( 21), the mounting rod (21) is fixedly connected with a pusher (23) for pushing the clamping rod (22) to reciprocate along the slideway; The bottom of the clamping rod (22) is provided with a support (24) for supporting the assembly section (6), a support (24) slide rail and a support rod (242), and the slide rail is connected to the clamping rod ( 22), the support bar (242) is slidingly connected to the slide rail, when the spreader is in the process of transporting the assembly section (6), the assembly section (6) is erected on the support bar (242), and the support piece (24) It also includes a pusher (32) for driving the support rod (242) to reciprocate in the slide rail; The mounting plate (1) is also provided with a limiting device, the limiting device includes multiple groups of limiting mechanisms (3), and multiple groups of limiting mechanisms (3) are evenly arranged around the axis of the mounting plate (1), and the limiting mechanism ( 3) It includes a hydraulic cylinder fixed to the mounting plate (1), and the piston rod of the hydraulic cylinder faces away from the axis of the mounting plate (1); Multiple sets of stabilizing components (5) are also arranged on the mounting plate (1), and multiple sets of stabilizing components (5) correspond to multiple sets of limit mechanisms (3) respectively; The stabilizing component (5) is located on the side of the limit mechanism (3) away from the axis of the mounting plate (1), and the stabilizing component (5) includes a fixed tube (52) coaxially arranged with the hydraulic cylinder, and the fixed tube (52) is fixed Connected to the mounting plate (1), the push rod (53) is slidingly connected in the fixed pipe (52), and the piston rod of the hydraulic cylinder is fixedly connected to the push rod (53); The clamping rod (22) is provided with a pressing assembly (4); the pressing assembly (4) includes a pressing plate (43) and a drive assembly for driving the pressing plate (43) to reciprocate in the vertical direction; The drive assembly includes a connecting block (41) fixed to the clamping rod (22), the connecting block (41) is pierced with a screw (42) arranged in the vertical direction, and the bottom end of the screw (42) is connected to the pressing plate (43) connection; The bottom end of the screw rod (42) is rotatably connected with the pressing plate (43), the connecting block (41) is provided with a vertical track, the pressing plate (43) is fixedly connected with a guide rod (431), and the guide rod (431) Slidingly connected in the track, the lower surface of the pressing plate (43) is fixedly connected with a plurality of insertion rods (434) used in conjunction with the insertion holes (61) on the upper surface of the assembly section (6). 2. A car crane spreader for wind turbine installation according to claim 1, characterized in that: the supporting mechanisms (2) are set in two groups, and the two groups of supporting mechanisms (2) are installed symmetrical layout on the board (1). 3. The vehicle crane spreader for wind turbine installation according to claim 1, characterized in that: the support bar (242) is provided with a transition surface (2421), and the transition surface (2421) is set is the slope towards the mounting plate (1).

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